Wylie LCS Sprayer, Operator'S & Parts Manual, Page: 18 / 26

14
Maintenance
Line Strainer Cleaning
From time to time it may be necessary to clean the line
strainer. The line strainer is located in the hose between the
spray tank and the pump. With the tractor turned off, close
the ball valve beside the strainer. Unscrew the bowl from
the strainer base. Remove and clean the screen. Check for
any damage to the screen that would allow debris to get to
the pump and nozzles. Empty and rinse the bowl. Replace
the bowl and screen. Make sure that the gasket/o-ring that
seals the bowl to the base is not lost when cleaning. Open
the ball valve before starting the pump.
Cleaning Nozzles
While the line strainer usually keeps the system clean,
it is possible for foreign matter to clog the trigger gun or
“Boom Buster” nozzle.
Turn the tractor off before cleaning any nozzles. Wear
chemically resistant rubber gloves.
To clean the trigger gun nozzle, engage the trigger gun to
relieve any pressure. Remove the cap at the end of the
barrel to access the tip. The tip should be cleaned with a
brush such as a TeeJet tip cleaning brush. Do not use a
pocket knife, wire or screwdriver to clear the nozzle. The tip
could be damaged, resulting in an improper spray pattern.
Figure C1
Cleaning Line Strainer
Chemically resistant rubber gloves must be worn
when cleaning the line strainer. Failure to do so
could result in chemical exposure
causing serious injury.
In order to clean the “Boom Buster” nozzles, remove the
nozzle from the stand. Use compressed air to blow debris
from the nozzle. Do not use pocket knives, wire or screw -
drivers.
End of Day Procedure
Some corrosive chemicals require the pump to be flushed
with clean water to prevent pump damage. Add 5-10 gallons
of clean water to an empty spray tank. Turn the pump on
and apply this flush solution to a safe area.
Check the sprayer for any leaks or damaged parts. Repair
or replace as necessary.
Operation during cold weather may require protecting
the sprayer from freeze damage. See the next section for
instructions.
End of Season Procedure
Thoroughly flush the complete system with clean water.
Flush the trigger gun as well as the “Boom Buster” nozzles.
Dispose of the flush solution by spraying a safe area. Check
the chemical container label for any special instructions.
To protect the sprayer from freezing, one of two procedures
should be followed: draining the system or flushing with
anti-freeze solution.
Draining the sprayer
With the spray tank empty, remove the strainer bowl to
drain water from the suction side of the pump. Some styles
of pumps are equipped with a drain plug. Remove this
plug to allow the pump to drain. If the sprayer is equipped
with a roller pump, operate the pump for 3-5 seconds to
purge any water from the pump. Lay the trigger hose out
flat, open the control valve, lock the trigger gun open and
allow the water to drain from the gun. Open other lines to
allow any water to drain.
Flushing with anti-freeze
Add a few gallons of anti-freeze solution (such as RV
anti-freeze) to the spray tank. Start the pump and move
the selector valve to flush both the trigger gun and “Boom
Buster” nozzles. This procedure is the most complete way
to protect the sprayer from freezing.
Cast iron roller pumps need the further protection of 30 wt.
motor oil for lubrication. Add a small amount of oil to the
suction side of the pump. Turn the pump several revolutions
to apply a protective oil film inside the pump housing.
Maintenance
O-Ring >
Closed >
Valve